Tonight is the most popular night for the Christmas office party. Dustin MacMillan, head of creative at Hix Restaurant Group, shows you how to make a straight up martini, made from cow's milk vodka; and a traditional boozy eggnog to get you in the festive mood.

From an investment perspective, how can you find opportunity in popular festive cocktails? Trevor Stirling, European beverages analyst at Sanford C. Bernstein, says we've moved away from gummy bear and cookie dough flavoured vodkas, towards flavoured whisky.

Rockstar energy drink billionaire founder Russ Weiner's yacht got stuck while being towed under a drawbridge, taking out part of the roof, but no one was hurt. CNBC's Robert Frank says the bridge had been declared "functionally obsolete" 4 years ago.